CN101883878B - Casting roll of twin roll type strip caster and surface treatment method thereof - Google Patents
Casting roll of twin roll type strip caster and surface treatment method thereof Download PDFInfo
- Publication number
- CN101883878B CN101883878B CN2008801187681A CN200880118768A CN101883878B CN 101883878 B CN101883878 B CN 101883878B CN 2008801187681 A CN2008801187681 A CN 2008801187681A CN 200880118768 A CN200880118768 A CN 200880118768A CN 101883878 B CN101883878 B CN 101883878B
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- Prior art keywords
- nickel
- casting roller
- casting
- plating layer
- face
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
- C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
- C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/08—Electroplating with moving electrolyte e.g. jet electroplating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/60—Electroplating characterised by the structure or texture of the layers
- C25D5/605—Surface topography of the layers, e.g. rough, dendritic or nodular layers
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
- C25D3/562—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of iron or nickel or cobalt
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
- Continuous Casting (AREA)
Abstract
The present invention provides a casting roll of a twin-roll strip caster, including: a nickel plating layer formed on an outer circumferential surface and an end surface of the casting roll; a nickel-boron alloy plating layer formed on the nickel plating layer located on the end surface of the casting roll; and a hard plating layer formed on the nickel plating layer located on the outer circumferential surface of the casting roll and an outer circumferential surface of the nickel- boron alloy plating layer located on the end surface of the casting roll. The present invention improves durability of the casting roll.
Description
Technical field
The present invention relates to the casting roller (casting roll) of a kind of pair of roll Casting steel strip machine (twin-roll strip caster) and a kind of this casting roller is carried out the surface-treated method; More specifically; Relate to the casting roller of a kind of pair of roll Casting steel strip machine and a kind of this casting roller is carried out the surface-treated method; Wherein on the end face of this casting roller, form one have high firmness and suitable thickness nickel-boron (Ni-B) alloy layer (plating layer); The end face of this casting roller contacts with refractory materials, has improved wearing quality thus.
Background technology
As shown in Figure 1; Usually; Using two roll Casting steel strip machines to form in the method for a band steel (strip), the molten steel that is stored in the ladle (ladle) 1 is introduced in the tundish (tundish) 2, then is transported in the space of side seal (edgedams) between 5 that is arranged on casting roller 6 two ends; Also promptly, injecting the space that nozzle 3 is transported between the casting roller 6 through one solidifies beginning.In this case, concave surface guard shield (meniscus shield) 4 is installed in the oxidation of top to protect the molten steel pond and to prevent molten steel of casting roller 6.Subsequently, molten steel is shaped as a band steel 8 through the roll gauge 7 between the casting roller 6 time, and then this band steel 8 is drawn out, cools off, and is reeled by up-coiler (winder) 9 then.
Likewise; Using two roll Casting steel strip machines that molten steel is formed in the method for a thickness as 10mm or littler band steel; It is very important that molten steel passes between the water-cooled casting roller 6 that rotates on the opposite directions via injection nozzle 3 apace, and therefore can produce the flawless band steel with expectation thickness in high yield ground.
Simultaneously, use a kind of metallide (electrolytic plating) method to handle the surface of a mould, for continuous casting (mold).As shown in Figure 2, casting roller 6 main body (subject) of---electroplate (plating)---is connected to negative electrode, and the metal 10 that is used to electroplate this main body is connected to anode.Afterwards, this main body is fully immersed in a kind of electroplating solution that comprises this plated metal, and then electric current is applied to this system, obtains the coating with expectation thickness thus.
In this case, casting roller 6---galvanized main body---is rotated improving electroplating quality, and if this casting roller 6 be smooth, electroplating solution is rotated to form a uniform coating.In this case, at first, nickel coatings is gone up at copper coin (copper plate) and is formed; Secondly, nickel-tungsten (Ni-W) coating, nickel-cobalt (Ni-Co) coating or the similar coating for high firmness coating forms to improve wearing quality above that.
In this ordinary method of electroplating mold, mainly used nickel (Ni), about plating condition such as current density, electroplating solution temperature etc., the technology below disclosing.
The patent application prospectus No.1998-066049 of japanese unexamined discloses a kind of technology that improves the wearing quality of casting roller through the end face that sprays coating casting roller.The patent application prospectus No.1989-254357 of japanese unexamined discloses a kind of technology that is used for improving in the following manner mold wearing quality and quality: at first, on the surface of mold, form nickel (Ni) coating; Secondly, then on nickel (Ni) coating, form a chromium (Cr) coating.The patent application prospectus No.1990-047890 of japanese unexamined discloses a kind of technology that is used for improving in the following manner the mold quality: on the surface of mold, form nickel (Ni) coating and then reduce heat transfer coefficient and so reduce rate of temperature change through a kind of graphite (graphite) coating method.The patent application prospectus No.2001-205399 of japanese unexamined discloses a kind of technology that is used for improving in the following manner casting roller wearing quality: at first, on the casting roller, form a nickel (Ni) coating; Secondly, then on nickel (Ni) coating, forming one is nickel-tungsten (Ni-W) coating, nickel-cobalt (Ni-Co) coating or the similar coating of high firmness coating.
Yet in these routine techniquess, basically, a nickel (Ni) coating at first is formed, and is secondly then electroplated (hard-plated) or spray coating (spray-coated) by hard to be used for protection.Particularly, these are problematic, promptly because hard coating has high firmness; It has high internal stress but then; Therefore be easy to fracture, the result be its be restricted to thickness must be very thin, causing it not to be used in easily will be by the extreme wear part of galvanized main body.
Therefore, because the restriction of hard coating thickness, have following problem: hard layer can not easily be applied to the end face of casting roller, and its end face is worn owing to contacting with side seal as a result; And the wearing quality of casting roller reduces.
In the reference number that this is not described, " 20 " are a plating tank (plating bath) in Fig. 2, and " 40 " are RFs (rectifier).
Summary of the invention
Technical problem
Therefore; Careful note occurs in the problems referred to above of the prior art; Made the present invention; And a target of the present invention provides the casting roller of a kind of pair of roll Casting steel strip machine and a kind of this casting roller is carried out the surface-treated method; Wherein on the end face of casting roller, form a nickel-boron alloy plating layer, make to form a coating, improved the wearing quality of this casting roller thus and stablized the quality on the surface of this casting roller with adequate thickness and high firmness through on a nickel coatings, spraying B solution.
Technical scheme
In order to accomplish above-mentioned target, one side of the present invention provides the casting roller of a kind of pair of roll Casting steel strip machine, comprising: a nickel coatings, and it forms on the external peripheral surface of this casting roller and end face; A nickel-boron alloy plating layer, it forms on the nickel coatings on the end face that is positioned at this casting roller; And a hard coating, it is at the nickel coatings on the external peripheral surface that is positioned at this casting roller and be positioned on the external peripheral surface of the nickel-boron alloy plating layer on the end face of this casting roller and form.
Another aspect of the present invention provides the casting roller of a kind of pair of roll Casting steel strip machine, comprising: a nickel-boron alloy plating layer, and it forms on the end face of this casting roller; A nickel coatings forms on the external peripheral surface of its nickel-boron alloy plating layer on the external peripheral surface of this casting roller and the end face that is positioned at this casting roller; And a hard coating, it forms on nickel coatings.
In this casting roller, the thickness of this nickel-boron alloy layer can be 0.1～2.0mm.
In addition, the hardness of this nickel-boron alloy layer can be 300～1000Hv.
In addition, this hard coating can be processed by Ni-W or Ni-Co.
In addition, the interface between this nickel coatings and this hard coating is through crown processing (roll-crowned) or roughening processing (roughened).
In order to accomplish above-mentioned target; Another aspect of the present invention provides a kind of casting roller to two roll Casting steel strip machines to carry out the surface-treated method, comprising: on the external peripheral surface of this casting roller and end face, form a nickel coatings through a kind of electrolytic plating method; Through when carrying out the nickel electroplating processes, on this nickel coatings, spraying B solution, on the nickel coatings on the end face that is positioned at this casting roller, form a nickel-boron alloy plating layer so that boron immerses in this nickel coatings; And on the nickel coatings on the external peripheral surface that is positioned at this casting roller and the external peripheral surface that is positioned at the nickel-boron alloy plating layer on the end face of this casting roller, form a hard coating.
One side more of the present invention provides a kind of casting roller to two roll Casting steel strip machines to carry out the surface-treated method; Comprise:, on the end face of this casting roller, form a nickel-boron alloy plating layer through when the enterprising electroplating nickel coatings of the end face of casting roller is handled, spraying B solution above that so that boron immerses in the nickel; Spray nickel solution on the external peripheral surface through the nickel-boron alloy plating layer on the external peripheral surface of this casting roller and the end face that is positioned at this casting roller, form a nickel coatings above that; And on this nickel coatings, form a hard coating.
Said casting roller to two roll Casting steel strip machines carries out the surface-treated method and can also comprise: after forming nickel coatings, on the external peripheral surface of this casting roller, carry out the convex surface processing and the roughening processing of roll.
Beneficial effect
According to the present invention; Casting roller about to two roll Casting steel strip machines carries out surface treatment; On the end face of casting roller, form a nickel-boron alloy plating layer through on a nickel coatings, spraying B solution; Make to form a coating, improved the quality at edge of wearing quality and this casting roller of this casting roller thus with adequate thickness and high firmness.
Description of drawings
Fig. 1 is the synoptic diagram that shows a kind of common Casting steel strip method;
Fig. 2 shows a synoptic diagram that is used to electroplate the conventional equipment of casting roller;
Fig. 3 is a schematic representation of apparatus that is used to electroplate the casting roller that shows according to one embodiment of the invention;
Fig. 4 is the sectional view that shows according to the coating of one embodiment of the invention; And
Fig. 5 is the chart of demonstration according to the Hardness Distribution of the coating of one embodiment of the invention.
Embodiment
Hereinafter, will be described in detail with reference to the attached drawings the preferred embodiments of the invention.
Fig. 3 is a kind of schematic representation of apparatus that is used to electroplate the casting roller that shows according to one embodiment of the invention; Fig. 4 is the sectional view that shows according to the coating of one embodiment of the invention, and Fig. 5 is the chart of demonstration according to the Hardness Distribution of the coating of one embodiment of the invention.
As shown in Figure 3; According to a kind of device that is used for electroplating the casting roller of the present invention and Fig. 2 be used to that to electroplate the conventional equipment of casting roller basic identical, be used for injecting boron (boron) solution to electroplate the nozzle 500 of casting roller 100 end faces except the plating tank 200 that is full of electroplating solution 300 is provided with one extraly in the one of which side.
In addition, the same as the conventional equipment that is used for electroplating the casting roller, casting roller 100 is connected to the negative electrode through RF 600, and will be connected to the anode through RF 600 by electroplated metal 400.
A kind of method of using this electroplanting device to electroplate the casting roller comprises: (a) on the both sides of casting roller 100, form a nickel coatings; (b) during the step that forms nickel coatings, make this nickel coatings form a nickel (Ni)-boron (B) alloy layer through on nickel coatings, spraying B solution; And (c) on the cylindrical part of casting roller, form a hard coating.
In this case, this nickel-boron alloy plating layer is such formation: continue a scheduled time through when forming nickel coatings, on this nickel coatings, spraying B solution, thus boron and nickel are made up to become nickel-boron alloy.The hardness of this coating is with the total amount and the velocity variations of spraying boron.
In addition, before this hard coating forms, on the surface of the cylindrical part of this casting roller 100, carried out the convex surface processing (crowning) of roll and processed (simple) (dimpling), thereby improved the quality with roughening.
Likewise, in the present invention, if owing to be necessary that the hardness of coating can Be Controlled, it can not be limited in the concrete scope.Major technique thinking of the present invention is characterised in that: B solution is ejected on the nickel coatings during the nickel electroplating process; Boron is immersed in and makes boron and nickel form alloy in this nickel coatings then, when having increased this thickness of coating, has improved the hardness of this coating thus.
Formation according to coating of the present invention can be carried out with the form of Fig. 4 (a) and Fig. 4 (b).
For example; With reference to figure 4 (a); At first; Nickel coatings 110 and 112 forms on the external peripheral surface of casting roller 100 and end face respectively, on the nickel coatings that forms on the end face of this casting roller 100 112, forms a nickel-boron alloy plating layer 120 then, and finally on the nickel coatings that forms on the external peripheral surface of casting roller 100 110 and said nickel-boron alloy plating layer 120, forms a hard coating 130.
In this case, preferably, before hard coating 130 forms, on the external peripheral surface of casting roller 100, carry out the convex surface processing and the roughening processing (simple) of roll.
As described in " background technology ", hard coating 130 mainly processed by nickel-tungsten (Ni-W) or nickel-cobalt (Ni-Co).
Yet; Even the coating structure shown in Fig. 4 (a) is that the end face of a casting roller 100 is by the rock steady structure of firm support; But when the nickel-boron alloy plating layer 120 of the excessive application of force a to edge that is positioned at casting roller 100, this nickel-boron alloy plating layer 120 can be stripped from and damage.Therefore, preferably,, optionally use the coating structure shown in Fig. 4 (a) according to the combined method feature of following described another embodiment of the present invention.
Also be; As another embodiment of the present invention; Reference drawing (b), at first, a nickel-boron alloy plating layer 120 forms on the end face of casting roller 100; Nickel coatings 110 forms on the part of the external peripheral surface of casting roller 100 and nickel-boron alloy plating layer 120 then, and last hard coating 130 forms on nickel coatings 110.
Even in this case, preferably, before hard coating 130 forms, on the external peripheral surface of casting roller 100, carry out the convex surface processing and the roughening processing (simple) of roll.
In this coating structure shown in Fig. 4 (b),, might reduce the wear resistance at the edge of casting roller 100 although this nickel coatings 110 is used to stop the power that is applied to the nickel-boron alloy plating layer 120 that on the edge of casting roller 100, forms.
Hereinafter, embodiments of the invention will be described in more detail.
Fig. 5 (a) is the chart that shows a coating structure, and the thickness of nickel coatings is reduced to minimum degree and has formed a two-stage (two-stage) nickel-boron alloy plating layer in this coating structure, makes that thus the hardness of outermost coating is maximized; Fig. 5 (b) is the chart that shows a coating structure, in this coating structure nickel coatings very heavy back form, an one-level nickel-boron alloy plating layer forms then, although make that can to form its hardness of stable coating relatively low.
Hardness in nickel-boron alloy plating layer is the following time of situation of 300～1000Hv, and this nickel-boron alloy plating layer shows satisfactory stability property.When the hardness of this nickel-boron alloy when 300Hv is following, it is easy to be worn, and when the hardness of this nickel-boron alloy during greater than 1000Hv, it becomes and occurs crackle easily and peel off.Therefore, can find out preferably that the hardness of this nickel-boron alloy plating layer is in above-mentioned scope.
In addition, in the scope that the thickness of this nickel coatings can be mentioned in " background technology ".Right that, preferably the thickness of this nickel-boron alloy plating layer is 0.1～2.0mm.When the thickness of this nickel-boron alloy plating layer during less than 0.1mm, be difficult to form the nickel-boron alloy plating layer with expected performance, and when the thickness of this nickel-boron alloy plating layer during greater than 2.0mm, it crackle appears easily and peels off.Therefore, the thickness of this nickel-boron alloy plating layer must be in above-mentioned scope.
In addition, in the method that forms hard coating, even, if possible, need a kind of hard coating after carrying out roughening processing with low thickness and high firmness because the roughness of this hard coating also must be held.Therefore, preferably, this hard coating is aforesaid Ni-W or Ni-Co coating.
According to the present invention, can find out, can improve the wearing quality and the quality of casting roller, and the quality that can also improve edge with the surface of casting roller.
Claims (9)
1. the casting roller of two roll Casting steel strip machines comprises:
A nickel coatings, it forms on the external peripheral surface of this casting roller and end face;
A nickel-boron alloy plating layer, it forms on the nickel coatings on the end face that is positioned at this casting roller; And
A hard coating, it is at the nickel coatings on the external peripheral surface that is positioned at this casting roller and be positioned on the external peripheral surface of the nickel-boron alloy plating layer on the end face of this casting roller and form.
2. the casting roller of two roll Casting steel strip machines comprises:
A nickel-boron alloy plating layer, it forms on the end face of this casting roller;
A nickel coatings, it is at the external peripheral surface of this casting roller and be positioned on the external peripheral surface of the nickel-boron alloy plating layer on the end face of this casting roller and form; And
A hard coating, it forms on this nickel coatings.
3. according to claim 1 or claim 2 the casting roller of two roll Casting steel strip machines, wherein the thickness of this nickel-boron alloy plating layer is 0.1～2.0mm.
4. according to claim 1 or claim 2 the casting roller of two roll Casting steel strip machines, wherein the hardness of this nickel-boron alloy plating layer is 300～1000Hv.
5. according to claim 1 or claim 2 the casting roller of two roll Casting steel strip machines, wherein this hard coating is processed by Ni-W or Ni-Co.
6. according to claim 1 or claim 2 the casting roller of two roll Casting steel strip machines, wherein crown processing or roughening processing are carried out in the interface between this nickel coatings and this hard coating.
7. the casting roller to two roll Casting steel strip machines carries out the surface-treated method, comprising:
On the external peripheral surface of this casting roller and end face, form a nickel coatings through a kind of electrolytic plating method;
Through when carrying out the nickel electroplating processes, on this nickel coatings, spraying B solution, on the nickel coatings on the end face that is positioned at this casting roller, form a nickel-boron alloy plating layer so that boron immerses in the nickel coatings; And
At the nickel coatings on the external peripheral surface that is positioned at this casting roller and be positioned on the external peripheral surface of the nickel-boron alloy plating layer on the end face of this casting roller and form a hard coating.
8. the casting roller to two roll Casting steel strip machines carries out the surface-treated method, comprising:
Through on the end face of casting roller, carrying out spraying B solution above that when electrolytic nickel coating is handled, on the end face of this casting roller, form a nickel-boron alloy plating layer so that boron immerses in the nickel;
Spray nickel solution on the external peripheral surface through the nickel-boron alloy plating layer on the external peripheral surface of this casting roller and the end face that is positioned at this casting roller, form a nickel coatings above that; And
On this nickel coatings, form a hard coating.
9. carry out the surface-treated method like claim 7 or 8 described casting rollers, also comprise: after forming nickel coatings, on the external peripheral surface of this casting roller, carry out the convex surface processing and the roughening processing of roll two roll Casting steel strip machines.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2007-0135231 | 2007-12-21 | ||
| KR1020070135231A KR100944438B1 (en) | 2007-12-21 | 2007-12-21 | Casting roll and thereof surface treatment method of twin type strip caster |
| PCT/KR2008/004123 WO2009082075A1 (en) | 2007-12-21 | 2008-07-14 | Casting roll of twin roll type strip caster and surface treatment method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101883878A CN101883878A (en) | 2010-11-10 |
| CN101883878B true CN101883878B (en) | 2012-05-09 |
Family
ID=40801345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801187681A Expired - Fee Related CN101883878B (en) | 2007-12-21 | 2008-07-14 | Casting roll of twin roll type strip caster and surface treatment method thereof |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8302665B2 (en) |
| EP (1) | EP2222894B1 (en) |
| JP (1) | JP5458019B2 (en) |
| KR (1) | KR100944438B1 (en) |
| CN (1) | CN101883878B (en) |
| AU (1) | AU2008341374B2 (en) |
| WO (1) | WO2009082075A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101136336B1 (en) * | 2009-12-10 | 2012-04-20 | 재단법인 포항산업과학연구원 | Method for repairing of cooling roll |
| JP2012051766A (en) * | 2010-09-02 | 2012-03-15 | Sumco Corp | Continuous casting method of silicon ingot |
| CN103182489A (en) * | 2011-12-27 | 2013-07-03 | 上海宝钢设备检修有限公司 | Method for electroplating non-uniform performance alloy coating on continuous casting crystallizer |
| CN104120461A (en) * | 2013-04-28 | 2014-10-29 | 上海宝钢工业技术服务有限公司 | Method for preparing gradient alloy plating layer on surface of thin strip continuous casting crystallization roller and plating solution |
| CN106979899B (en) * | 2017-03-20 | 2022-06-24 | 燕山大学 | Crystallizer cladding high-temperature friction and wear performance evaluation experiment machine |
| KR101887308B1 (en) * | 2017-06-19 | 2018-08-09 | 현대제철 주식회사 | Apparatus for evaluation of dipping nozzle for continuous casting equipment and method thereof |
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| JPS6466049A (en) * | 1987-09-04 | 1989-03-13 | Kawasaki Steel Co | Apparatus for producing rapidly cooled metal strip |
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| US5230380A (en) * | 1988-07-22 | 1993-07-27 | Satosen Co., Ltd. | Molds for continuous casting of steel |
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| JP3015986B2 (en) * | 1992-08-20 | 2000-03-06 | 新日本製鐵株式会社 | Drum of continuous casting equipment for sheet metal |
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| KR100388031B1 (en) * | 1998-12-21 | 2003-11-10 | 주식회사 포스코 | Casting roll coating method of twin roll sheet casting machine |
| JP2001205399A (en) | 2000-01-25 | 2001-07-31 | Nippon Steel Corp | Cooling drum for twin-drum type continuous casting of thin slab and continuous casting method |
| JP3422979B2 (en) * | 2000-09-22 | 2003-07-07 | 新日本製鐵株式会社 | Dimple processing method and apparatus for drum for thin cast continuous casting machine |
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2007
- 2007-12-21 KR KR1020070135231A patent/KR100944438B1/en active IP Right Grant
-
2008
- 2008-07-14 WO PCT/KR2008/004123 patent/WO2009082075A1/en active Application Filing
- 2008-07-14 US US12/744,180 patent/US8302665B2/en not_active Expired - Fee Related
- 2008-07-14 CN CN2008801187681A patent/CN101883878B/en not_active Expired - Fee Related
- 2008-07-14 AU AU2008341374A patent/AU2008341374B2/en not_active Ceased
- 2008-07-14 JP JP2010537838A patent/JP5458019B2/en not_active Expired - Fee Related
- 2008-07-14 EP EP08778781.8A patent/EP2222894B1/en not_active Not-in-force
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| Title |
|---|
| JP特开平6-126390A 1994.05.10 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20100243193A1 (en) | 2010-09-30 |
| EP2222894A4 (en) | 2012-05-23 |
| AU2008341374B2 (en) | 2011-08-04 |
| US8302665B2 (en) | 2012-11-06 |
| EP2222894A1 (en) | 2010-09-01 |
| AU2008341374A1 (en) | 2009-07-02 |
| CN101883878A (en) | 2010-11-10 |
| JP5458019B2 (en) | 2014-04-02 |
| JP2011506098A (en) | 2011-03-03 |
| KR20090067542A (en) | 2009-06-25 |
| KR100944438B1 (en) | 2010-02-25 |
| WO2009082075A1 (en) | 2009-07-02 |
| EP2222894B1 (en) | 2014-06-11 |
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